ഒരു വ്യക്തിക്ക് അസ്വസ്ഥതയില്ലാതെ നേരിടാൻ കഴിയുന്ന ഒരു ശബ്ദത്തിന്റെ ഉച്ചനീചത്വം ഏകദേശം എത്ര ?
A150 dB.
B215 dB.
C30 dB.
D80 dB.
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Related Questions:
At what concentration do heavy metals like mercury, cadmium, and lead pose a significant threat?
From which primary source does mercury primarily emanate?
Which of the following statements correctly defines chemosterilants?
- Chemosterilants are substances used to kill snails and slugs.
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Which type of pesticide enters the tracheal system of an insect in vapor form?